//
//  NSObject+WMKVO.h
//  LockTest
//
//  Created by ZhangBo on 2018/12/4.
//  Copyright © 2018 ZhangBo. All rights reserved.
//

#import <Foundation/Foundation.h>

NS_ASSUME_NONNULL_BEGIN

@interface NSObject (WMKVO)
- (void)wm_addObserver:(NSObject *)observer forKeyPath:(NSString *)keyPath options:(NSKeyValueObservingOptions)options
              context:(nullable void *)context;
@end

NS_ASSUME_NONNULL_END
